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Author Topic: Needed: Adaptor For Old U47 Microphone Mount Thread  (Read 3481 times)

Offline mu90r

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Needed: Adaptor For Old U47 Microphone Mount Thread
« on: December 16, 2017, 02:31:31 pm »
Hello partners.
I have a Neumann U47 swivel mount, however the sizes of the female thread of the swivel and the microphone stand don't fit together.

I need an adapter that attaches the mount to the microphone stand, but I don't know which one to look for.
Can someone please help me identify the measurements?

The thread on the microphone swivel mount is this:
 
https://www.thomann.de/es/superlux_ms_200.htm?ref=search_rslt_superlux+200_139008_0

It seems that the mic stand thread is 5/8".

This is a photo of old mount.

Thanks in advance.
« Last Edit: December 16, 2017, 03:57:45 pm by mu90r »

Offline klaus

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Re: old moun of the U47
« Reply #1 on: December 16, 2017, 03:00:59 pm »
Camera and microphone companies switched to the modern 5/8" standard in the 1960s, though there are still plenty of devices with the old 3/8" thread around.

What you need is an adaptor: 3/8"-16 male to 5/8"-27 female.

Here is one of many examples you can purchase:
https://www.bhphotovideo.com/c/product/1092899-REG/windtech_m_1_5_8_27_female_to.html

P.S.: The link you provided is dead
« Last Edit: December 16, 2017, 03:09:20 pm by klaus »
Klaus Heyne
German Masterworks®
www.GermanMasterworks.com

Offline mu90r

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #2 on: December 16, 2017, 04:01:12 pm »
Thank you very much Klaus.
I'll look for it immediately :-)

By the way, I appreciate the comment of the dead link.
I have corrected the link in case someone ever needs this information.

Offline Kai

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Re: old moun of the U47
« Reply #3 on: December 17, 2017, 02:11:34 am »
Camera and microphone companies switched to the modern 5/8" standard in the 1960s, though there are still plenty of devices with the old 3/8" thread around.
I don't know any camera that uses 5/8" thread, in cameras 1/4" UNC is the standard.
Some Mid-Format cams are said to use 3/4 UNC, which is the most common thread you find in Europe for microphone stands.

Offline klaus

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #4 on: December 17, 2017, 05:24:58 pm »
I am no camera expert and appreciate the correction that cameras do not use 3/8" threads.
Klaus Heyne
German Masterworks®
www.GermanMasterworks.com

Offline mu90r

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #5 on: December 20, 2017, 08:57:36 am »
Unfortunately, I have seen this message too late.
I have ordered the adapter but it is not the right one  :(

The product that I have bought is this:

https://www.amazon.es/dp/B01MQ01DKU/ref=pe_3310721_189395781_TE_dp_1


Which adapter should I buy finally?

Offline klaus

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #6 on: December 20, 2017, 01:18:42 pm »
The one you ordered should be the right one: 3/8 male to 5/8 female.
 What makes you doubt your decision?
Klaus Heyne
German Masterworks®
www.GermanMasterworks.com

Offline mu90r

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #7 on: December 20, 2017, 01:36:38 pm »
Oh no...
I did not hesitate at any time.
I just received the adapter and it's too small for the U47 support hole.
Exactly is this model:

3/8 "-16 Screw Conversion 5/8" -27 Nut For microphone Stand Adapter

I do not mean the length but the size or diameter of the adapter.

Attached photos:
« Last Edit: December 20, 2017, 01:39:37 pm by mu90r »

Offline klaus

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #8 on: December 20, 2017, 02:30:37 pm »
Please measure the inside diameter of your threaded swivel mount. Also measure the outside diameter of the male thread of the adaptor you just received. Please quote that in inches and mm.

I will research what the correct adaptor is and get back to you.
KH
« Last Edit: December 20, 2017, 07:20:13 pm by klaus »
Klaus Heyne
German Masterworks®
www.GermanMasterworks.com

Offline uwe ret

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #9 on: December 20, 2017, 07:40:23 pm »
The stand mount for the UC 4 cable came standard with a 1/2" thread. 5/8"-27 was available upon special request, primarily used in the Americas.
The only suitable adapter I could find is thread adapter 219 from Koenig & Meyer:

https://products.k-m.de/us/Mic-stands/Accessories/219-Thread-adapter-zinc-plated

The 219 adapter will screw into the UC 4, and the adapter you got from Amazon screws into the 219, which finally will let you mount the UC 4 with both thread adapters onto your microphone stand with the 3/8"-27 threaded end.
« Last Edit: December 20, 2017, 09:33:46 pm by uwe ret »

Offline klaus

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #10 on: December 20, 2017, 09:41:54 pm »
The adaptor Uwe linked has a 1/2" male and 3/8" female end.

If the female thread in the U47 swivel mount measures indeed 1/2", then you could just mate the adaptor you just bought with the one Uwe suggests. Now you would have the proper male link to your 1/2" female on the swivel mount, and the 5/8" female for the mic stand.

What I usually end up doing when I encounter old thread sizes: have a good machine shop which has a 5/8"/27 tap on hand cut a new thread into the existing barrel. That's the cleanest solution, and impossible to distinguish from the stock 5/8-27 barrels Neumann used for the U.S. and other markets.
Klaus Heyne
German Masterworks®
www.GermanMasterworks.com

Offline mu90r

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #11 on: December 21, 2017, 05:04:07 pm »
Here some pictures of the measures ...
Adapter 9.3 mm (approx) 0,366 inches
Interior mount: 10.4 mm (approx) 0.409 inches
Depth of the mount 15 mm

I enclose some photos and I await your final verdict :-)
I thank you Klaus and the participants for your help.
« Last Edit: December 21, 2017, 05:09:20 pm by mu90r »

Offline uwe ret

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #12 on: December 21, 2017, 08:07:29 pm »
The Neumann UC 4 swivel adapter cable was only available with the old European standard 1/2" thread, or later upon special request for the American marketplace with 5/8"-27 thread.  The picture shows the root diameter for the thread of the Neumann UC 4, which is smaller than the thread diameter. 
Go with your Amazon/Camvate adapter (equivalent to K&M 216) and the K&M 219 adapter, and all will be OK.
« Last Edit: December 21, 2017, 08:16:38 pm by uwe ret »

Offline mu90r

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #13 on: December 22, 2017, 10:19:39 am »
OK thanks :-)
I will proceed to buy then ....

I will inform you how much I am in my home.

Offline mu90r

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Re: Needed: Adaptor For Old U47 Microphone Mount Thread
« Reply #14 on: March 11, 2018, 01:45:30 pm »
It has taken a while but it arrived.
Absolutely great.
216 + 219 adapter is the winning combination.
Thanks Klaus and uwe ret.
Here is a picture of the winning combination ....